The reason the internet consists of 99% broken html is that all browsers accept that broken html.
If browsers had conformed to a rigid specification and only accepted valid input from the start, then people wouldn't have produced all that broken html and we wouldn't be in this mess that we are in now.
If browsers had conformed to a rigid specification and only accepted valid input from the start, then people wouldn't have produced all that broken html and we wouldn't be in this mess that we are in now.